ABB ICMK14N1-M-B3.0 AC31 Advant Controller 31 PLC Central Unit

Overview

The ABB ICMK14N1-M-B3.0 is the CPU controller for the ABB AC31 Advant Controller 31 system. It supports CS31 fieldbus, onboard I/O and RS232 serial port for programming and Modbus communication, widely stocked as spare for legacy factory and water treatment automation.

Features This compact AC31 master CPU supports CS31 bus to connect up to 31 remote I/O stations. The ICMK14N1-M-B3.0 has non-volatile program memory, battery-backed RTC and diagnostic status LEDs. It can be expanded with local I/O modules and connects to HMI or SCADA via RS232. It is programmed with ABB AC31 software and is a discontinued legacy PLC unit.

Specs

Model: ICMK14N1-M-B3.0 Series: AC31 Advant Controller 31 Type: PLC central unit Power supply: 24 VDC Bus: CS31 system bus Interface: RS232 (programming / Modbus) Mounting: DIN rail Protection class: IP20 Operating temperature: 0°C ~ +55°C Certifications: CE Product status: obsolete industrial spare

Principle

The ABB ICMK14N1-M-B3.0 runs cyclic control logic, scans local I/O and communicates with remote stations over CS31 bus. It handles program download and serial data exchange via RS232, and reports power, bus and program faults to the diagnostic table.

Applications

The ICMK14N1-M-B3.0 is widely deployed in water treatment plants, packaging machinery and conveyor systems. It is used for distributed control with the AC31 CS31 bus system.